The 'Drainage Canal So Clean' meme is based on viral images and videos showing crystal clear water and colorful koi fish living in roadside drainage gutters in Japan. First surfacing in the mid-2010s, these visuals captivated global audiences as a testament to Japanese infrastructure and public hygiene. On the internet, the image evolved into a versatile template used to represent perfection, purity, or an unattainable standard of cleanliness. Creators often use it in a 'Self vs. Someone Else' format, contrasting the pristine water with their own messy lives, chaotic schedules, or questionable digital footprints. It remains a staple for wholesome content and self-deprecating humor alike.